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I've seen the ó in use in non-numeric contexts as well. For example, this evening a friend wrote two phrases, separated by ó: "Puedes decir Me puedes entender ó Puedes entenderme." Is this (or has this always been) an incorrect usage of the accented ó?
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Flimzy♦Dec 9 '11 at 8:27

4

It is and, as far as I know, it's always been incorrect to accentuate "o" if not between numbers. As you can see in the article it says "cuando aparecía entre dos cifras" and not other cases.
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LauraDec 9 '11 at 8:31

+1 I didn't know about the distinction "number 0" VS "letter o"... So if now we don't distinguish them anymore, how do you know if it's a O or a zero? Apart from the shape and the diagonal line inside the number 0...
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AlenannoDec 9 '11 at 9:50

2

@Alenanno I don't know, context? I always thought it was a really usefull norm specially in handwriting and I think I'll have a hard time not putting the accent when between numbers.
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LauraDec 9 '11 at 10:02